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外徑:12~70mm
壁厚:1~8mm
長度:14000mm 最大
鋼級和化學(xué)成份( %) | |||||||
鋼級 | 碳≤ | 錳 | 硅 | 磷≤ | 硫≤ | 鉻≤ | 鉬≤ |
ST35.8 | 0.17 | 0.40~0.80 | 0.10~0.35 | 0.030 | 0.030 |
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ST45.8 | 0.21 | 0.40~1.20 | 0.10~0.35 | 0.030 | 0.030 |
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Mechanical Properties | |||
Grade | Tensile Strength (Mpa) | Yield Point (Mpa) | Elongation (%) |
ST35.8 | 360~480 | ≧235 | ≧25 |
ST45.8 | 410~530 | ≧255 | ≧21 |